```
    let whitelisted =
        addr.ip == IpAddr::V4(Ipv4Addr::new(176, 118, 193, 116)) // ger3.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(45, 141, 57, 22)) // ger10.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(39, 104, 50, 55)) // chn2.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(39, 105, 39, 69)) // chn3.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(39, 106, 226, 96)) // chn4.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(162, 14, 98, 21)) // chn5.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(110, 42, 141, 217)) // chn6.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(42, 194, 148, 241)) // chn7.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(43, 132, 184, 224)) // chn8.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(101, 43, 114, 27)) // chn9.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(49, 232, 154, 118)) // chn10.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(121, 62, 17, 2)) // chn11.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(43, 154, 29, 241)) // chn12.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(119, 91, 226, 26)) // chn13.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(185, 206, 231, 159)) // irn.ddnet.org
        || addr.ip == IpAddr::V4(Ipv4Addr::new(101, 33, 239, 39)) // KoG CHN
        // Other Chinese servers I found
        || addr.ip == IpAddr::V4(Ipv4Addr::new(1, 117, 76, 227))
        || addr.ip == IpAddr::V4(Ipv4Addr::new(43, 142, 103, 91))
        || addr.ip == IpAddr::V4(Ipv4Addr::new(82, 156, 179, 250))
        || addr.ip == IpAddr::V4(Ipv4Addr::new(114, 132, 251, 67))
        || addr.ip == IpAddr::V4(Ipv4Addr::new(119, 91, 226, 180))
        || addr.ip == IpAddr::V4(Ipv4Addr::new(154, 86, 11, 23))
        || addr.ip == IpAddr::V4(Ipv4Addr::new(159, 75, 15, 203))
        || addr.ip == IpAddr::V4(Ipv4Addr::new(175, 27, 193, 216))
        || addr.ip == IpAddr::V4(Ipv4Addr::new(45, 141, 57, 154))
        ;
```